// Facebook post model
  var FBPost = Backbone.Model.extend({
    defaults: {
      id: "???",
      message: "FB message",
      time: "???",
      likes: 0,
      comments: 0,
      from_id: "???",
      from_name: "???",
      from_picture: "img/fb-default.gif",
      from_page: 0,
      pos_x: 0,
      pos_y: 0,
      type:""
    },
  });